[Spridgets] Angle of Gas Struts

[GUY DAY]

I'd not come across the term, Eulerian fluid dynamics before (sheltered 
life). So I had a look in Wikipedia.  The phrase that explains it all just 
leapt from the page......

'This can be visualized by sitting in a boat and drifting down a river'

Guy R Day

----- Original Message ----- 
From: "Jim Johnson" <bmwwxman at gmail.com>
To: <soavero at yahoo.com>
Cc: <spridgets at autox.team.net>
Sent: Saturday, January 31, 2009 5:56 AM
Subject: Re: [Spridgets] Angle of Gas Struts


> On Fri, Jan 30, 2009 at 6:30 PM, Ron Soave <soavero at yahoo.com> wrote:
>
>> --- On Fri, 1/30/09, Jim Johnson <bmwwxman at gmail.com> wrote:
>> > Soave...   you know this stuff!  High school physics!
>>
>> It's actually a Lagrangian dynamics (L= T - V) problem on the way up 
>> since
>> the angle of the bonnet AND the strut are changing (the bonnet hinge 
>> takes
>> load also).
>
>
> Only if its moving, right?  If stationary, you don't have to get that
> complicated.  Just think how much more complicated we could make this if 
> we
> considered the disturbed air around the bonnet as it moves! Then it 
> becomes
> an Eulerian fluid dynamics problem too!     ;-)
>
> Cheers!!
> Jim
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